Home / 623,914.59-861,002.14-337,434.68

Finding the Fourth Proportional to 623,914.59, 861,002.14 and 337,434.68

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Solution

The fourth proportional to 623,914.59, 861,002.14 and 337,434.68 is: 465,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,914.59 : 861,002.14 = 337,434.68 : x
  2. Step 2: Convert to fraction form
    623,914.59/861,002.14 = 337,434.68/x
  3. Step 3: Cross multiply
    623,914.59x = 861,002.14 × 337,434.68
  4. Step 4: Simplify right side
    623,914.59x = 290,531,981,590.22
  5. Step 5: Solve for x
    x = 290,531,981,590.22/623,914.59
  6. Step 6: Final answer
    x = 465,659.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.